2642080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{337}}^1$

素因数の和:366

約数の個数: 72

約数和(自身を含む): 7282548

約数和(自身を除く): 4640468

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 337, 392, 490, 560, 674, 784, 980, 1120, 1348, 1568, 1685, 1960, 2359, 2696, 3370, 3920, 4718, 5392, 6740, 7840, 9436, 10784, 11795, 13480, 16513, 18872, 23590, 26960, 33026, 37744, 47180, 53920, 66052, 75488, 82565, 94360, 132104, 165130, 188720, 264208, 330260, 377440, 528416, 660520, 1321040, 2642080]

約数ペア:

[(1, 2642080), (2, 1321040), (4, 660520), (5, 528416), (7, 377440), (8, 330260), (10, 264208), (14, 188720), (16, 165130), (20, 132104), (28, 94360), (32, 82565), (35, 75488), (40, 66052), (49, 53920), (56, 47180), (70, 37744), (80, 33026), (98, 26960), (112, 23590), (140, 18872), (160, 16513), (196, 13480), (224, 11795), (245, 10784), (280, 9436), (337, 7840), (392, 6740), (490, 5392), (560, 4718), (674, 3920), (784, 3370), (980, 2696), (1120, 2359), (1348, 1960), (1568, 1685)]